We have now our possess revenue group, design staff, technical crew, QC team and package group. We now have strict excellent regulate procedures for each process. Also, all of our workers are experienced in printing subject for Cheap PriceList for China High-Quality Buried Urban Drainage Pipe Winding Structure Can Be Customized Large-Diameter Carat Pipe, Because we stay during this line about 10 years. We got most effective suppliers aid on top quality and selling price. And we had weed out suppliers with poor quality. Now quite a few OEM factories cooperated with us too.
We have now our possess revenue group, design staff, technical crew, QC team and package group. We now have strict excellent regulate procedures for each process. Also, all of our workers are experienced in printing subject for China Water Supply, Drainage, To meet the requirements of specific customers for each bit more perfect service and stable quality merchandise. We warmly welcome customers around the world to visit us, with our multi-faceted cooperation, and jointly develop new markets, create a brilliant future!
METAL COLLAR
Complete quality control conform to ISO9001 system in each manufacture detail to ensure DS SML cast iron pipe  coupling quality to Enropean standard EN877, DIN19522.
Size: DN40-200
Stainless steel SUS304, SUS316L

BOLT AND SCREW

Material: Galvanized steel , Stainless steel
Screw size: M6 , M8
Torque: DN50-80:  6-8Nm, DN100-200: 10-12Nm

FACILITY

Founded in 2007, our facoty has been equiped with domestic famous facility and skillful workers to response the quick market and enviromental requirement.

RUBBER GASKET

Gasket: EPDM, NBR,
Axial pressure: 0.5bar.
OEM is welcome service